Detailed comparison and review of Xiaomi MI 9 and OPPO Find X3 Neo. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2207 | |
| Form Factor | Touch | Touch | |
| Height | 157.5 mm | 159.9 mm | OPPO Find X3 Neo has greater height than Xiaomi MI 9. |
| Width | 74.67 mm | 72.5 mm | Xiaomi MI 9 has greater width than OPPO Find X3 Neo. |
| Depth | 7.61 mm | 7.99 mm | Xiaomi MI 9 is narrower than Xiaomi MI 9. |
| Weight | 173 g | 184 g | Xiaomi MI 9 is lighter than Xiaomi MI 9. |
| Body Colour | Ocean blue | Piano black | Galactic silver | |
| Body Material | Curved glass | Aluminium alloy, Panda Glass with sandblasted coating | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IPX4 | |
| SAR Value | 1.301 W/kg (body), 1.389 W/kg (head) | 0.991 W/kg (head), 1.289 W/kg (body), 2.589 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.39" | 6.55" | OPPO Find X3 Neo has larger screen size than Xiaomi MI 9. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | OPPO Find X3 Neo has better screen resolution than Xiaomi MI 9. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 403 ppi | 402 ppi | Xiaomi MI 9 has better pixel density than OPPO Find X3 Neo. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 600 cd/m² | 1100 cd/m² | OPPO Find X3 Neo has better display brightness than Xiaomi MI 9. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 60000:1 | 5000000:1 | OPPO Find X3 Neo has better display contrast ratio than Xiaomi MI 9. |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10 | HDR10+ | |
| Display Enhancement Technology | Sunshine mode 2.0 | - | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) | Night mode, DCI-P3 Wide colour gamut, AOD(Always On Display), Dark mode, Anti-flicker display, 180Hz sampling rate | |
| Display Protection (Screen Protector) | Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating | Fingerprint-resistant coating |
| PROCESSOR | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 865 5G | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2.8 GHz | Xiaomi MI 9 has higher clock speed than OPPO Find X3 Neo. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi MI 9 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | Qualcomm ADRENO 650 |
| MEMORY | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 12 GB | OPPO Find X3 Neo has more RAM than Xiaomi MI 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | OPPO Find X3 Neo has more internal memory than Xiaomi MI 9. |
| Memory Interface | - | UFS 3.1 |
| CAMERA | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO Find X3 Neo has better camera resolution than Xiaomi MI 9. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | Sony Exmor RS IMX586 sensor | Sony Exmor RS IMX766 sensor | |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/1.75 | F/1.8 | Xiaomi MI 9 has better lens aperture than Xiaomi MI 9. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 84 degree(s) | |
| Pixel Size | 0.8 μm | 1 μm | OPPO Find X3 Neo has larger camera pixel size than Xiaomi MI 9. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Find X3 Neo has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Special Effects | HDR | HDR, Live HDR, Bokeh effect, Stickers | |
| Camera Modes | Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode | Burst mode, Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, portrait mode, AI Beauty, Text, Filter mode, Macro mode, Night portrait mode, Dual-View Video, Ultra Night Video, Night Flare Portrait, AI Highlight Video | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 has face detection. |
| Light Source | Dual flash | Dual LED flash | |
| Still Image Resolutions | 8000 x 6000 | 4096 x 3072, 4096 x 2304, 3072 x 3072, 8192 x 6144, 4096 x 1840 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion | Tracking Focus, Electronic Image Stabiliser (EIS), AI Quad camera, omnidirectional autofocus, 2x2 On-Chip Lens (OCL), (DOL-HDR) Digital Overlap High Dynamic Range, AI Scene Enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 16 Megapixel | OPPO Find X3 Neo has better second camera resolution than Xiaomi MI 9. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/3.09" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RX IMX481 sensor | |
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 123 degree(s) | |
| Pixel Size (2nd Camera) | 1 μm | 1 μm | Both phones have the same second camera pixel size. |
| Minimum Focal Length (2nd Camera) | - | 14 mm | |
| Camera Features (2nd Camera) | Macro photography | Electronic Image Stabiliser (EIS) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 16 Megapixel | 13 Megapixel | Xiaomi MI 9 has higher resolution third camera than OPPO Find X3 Neo. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/3.4" | |
| Sensor Name (3rd Camera) | - | Samsung S5K3M5 | |
| Lens Type (3rd Camera) | Ultra wide-angle lens | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | Xiaomi MI 9 has better third camera lens aperture than Xiaomi MI 9. |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Field of View (3rd Camera) | - | 45 degree(s) | |
| Pixel Size (3rd Camera) | 1 μm | 1 μm | Both phones have the same third camera pixel size. |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Digital Zoom | - | 20x | |
| Hybrid Zoom | - | 5x | |
| Camera Features (3rd Camera) | - | Electronic Image Stabiliser (EIS) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Field of View (4th Camera) | - | 89 degree(s) | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Minimum Focal Length (4th Camera) | - | 22 mm | |
| Camera Functions (4th Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | OPPO Find X3 Neo has better front camera resolution than Xiaomi MI 9. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony Exmor RS IMX615 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.4 | Xiaomi MI 9 has better front lens aperture than Xiaomi MI 9. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | 0.9 μm | 0.8 μm | Xiaomi MI 9 has larger front camera pixel size than OPPO Find X3 Neo. |
| Min Focal Length (Front) | - | 25 mm | |
| Special Effects (Front) | HDR, Magic mirror | Stickers | |
| Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Panorama, Time-lapse mode, night mode, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 has face detection. |
| Still Image Resolutions (Front) | - | 6560 x 4928 | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4500 mAh | OPPO Find X3 Neo has larger battery capacity than Xiaomi MI 9. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0+ | VOOC Flash Charge technology 3.0, SuperVOOC 2.0 Flash Charge | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | - | 35 min | |
| Wireless Charging Standards | WPC, Qi | - | |
| Standby Time | - | 278.8 hours | |
| Talk Time | - | 840 minutes | |
| Run Time Details | - | Standby: up to 278.8 hrs Playback (video): up to 15.6 hrs Talk (3G): up to 840 min |
| CELLULAR | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Find X3 Neo has more advanced generation mobile network. |
| Operating System | - | ColorOS 11.1 (based on Android 11) | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Payment Technology | Android Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 39, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| WLAN Security | WPA3 | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), LDAC, MID, SBC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.265, MP4 | |
| Sound Enhancements | Qualcomm TrueWireless Stereo Plus | Dolby Atmos sound technology, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio | |
| Audio Amplifier | - | Hi-Fi 4377 |
| FEATURES | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, magnetometer, gyro sensor, gravity sensor, colour temperature sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | MIMO technology, Gesture Controls, Dual noise reduction microphones, MU-MIMO technology, Haptic vibration motor, dual stereo speakers |
| OTHERS | Xiaomi MI 9 | OPPO Find X3 Neo |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger | Headset, protective cover, SIM card removal tool, USB-C cable, protective film, SuperVOOC 65W power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | IPX4 |
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